*{
  margin: 0;
  padding: 0;
}
a{
  text-decoration: none;
}
body{
  font-size: 12px;
}
.w1228{
  width: 1228px;
  margin: 0 auto;
}
.w1242{
  width: 1242px;
  margin: 0 auto;
}
a{
  text-decoration: none;
}
li{
  list-style: none;
}